A 2007 proposal to the NSA from contractor SAIC, promoting the company’s ability to support “intelligence collection in the games space”: see the New York Times article Spies’ Dragnet Reaches a Playing Field of Elves and Trolls, 9 December 2013.

This nine-page briefing describes the NSA’s major missions and signals intelligence priorities for 2007: see the New York Times article No Morsel Too Minuscule for All-Consuming N.S.A., 2 November 2013.

This 67-page NSA presentation from November 2010 explains how to create the “Fingerprints” which enable analysts to trace individuals within XKeyScore: see the Intercept article XKEYSCORE: NSA’s Google for the World’s Private Communications, 1 July 2015.

This document lists the 193 governments, intragovernmental organisations and other entities which the NSA was granted the legal authority to intercept communications “about” for foreign intelligence purposes in August 2010: see the Washington Post article Court gave NSA broad leeway in surveillance, 30 June 2014.

This GCHQ research paper from 6 November 2009 outlines what kinds of data the agency can extract from internet radio stations and their listenership, grouped by country: see the Intercept article Profiled: From Radio to Porn, British Spies Track Web Users’ Online Identities, 25 September 2015.

This 11 January 2012 article from the internal NSA newsletter SIDToday gives a first person account of how a Korean-language analyst went about learning Tigrinya, one of the languages spoken in Eritrea: see the Intercept article The Philosopher of Surveillance, 11 August 2015.

Three redacted slides from an NSA presentation name several states as subjects of ongoing interest: see the Fantástico article Veja os documentos ultrassecretos que comprovam espionagem a Dilma, 2 December 2013.

This undated presentation from the NSA’s Special Source Operations division shows that the agency’s ability to intercept key communications infrastructure is dependent on corporate relationships, several of which can be identified using information given in this document: see the Guardian article Snowden document reveals key role of companies in NSA data collection, 1 November 2013. […]

There are changes at the U.S. Mission to the United Nations as ambassadors have been reassigned. There's a new NSA representative the USUN. And the mission itself is in temporary leased quarters, which is "not a trivial situation for intelligence support." This article recalls the "Negroponte years" and notes that SIGINT support proved "secretly historic."